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Virgin Orbit targets launch window on December 19 for second orbital test launch

Virgin Orbit has announced the target timing for its next orbital flight attempt, which follows a demonstration launch earlier this year that went mostly well – right up until its rocket separated from the carrier launch craft and fired up its own engines for the crucial rest of the trip to space. The company says […]

Virgin Orbit has announced the target timing for its next orbital flight attempt, which follows a demonstration launch earlier this year that went mostly well – right up until its rocket separated from the carrier launch craft and fired up its own engines for the crucial rest of the trip to space. The company says that it’s undertaken a number of upgrades based on that first try, however, including updates to the engine systems, carrier aircraft and data systems to hopefully have a better demo flight the second time around.

The new launch window is December 19, between the hours of 10 AM to 2 PM PST. There’s also a backup window set for December 20 ranging across similar hours, the company says, and others in the following weeks, in case it needs to be rescheduled for nay reason. This demonstration will involve a full launch cycle of the entire Virgin Orbit launch system, including its Cosmic Girl launch aircraft (a modiified 747 passenger airliner) and LauncherOne, the rocket that detaches from Cosmic Girl at cruising altitude before firing up its own engines to make the rest of the trip to space with small satellite payloads on board.

Virgin Orbit’s system is unique because it takes off and lands from a traditional airport, eliminating the need for specialized launch sites and opening up the potential of relatively low-lift global launch flexibility. It also have the potential to offer cost and scheduling advantages to small satellite companies looking to launch just one or a few spacecraft, without having to wait for timing on a rideshare mission on a larger rocket like one from SpaceX, or pay a premium for something like Rocket Lab’s offering.

Last time around in May, Virgin Orbit’s flight went perfectly from takeoff through the separation of LauncherOne from the carrier aircraft. The rocket even fired up its engines on time as planned, but the engines cut off essentially right away due to a built-in safety system that also worked as planned when it detected some unusual readings.

Virgin Orbit provides more details about what went right with its first launch demo

With this second attempt, Virgin Orbit wants to show that it’s system works from that point on, as well, with a full first-stage powered flight, and operation of the upper stage. Stakes are a bit higher this time around, as on board will be actual customer satellites, even though this is technically still a demonstration mission the primary purpose of which is to collect data.

The 10 payloads on board are from NASA, and represent a number of different scientific and educational programs created entirely by U.S.-based universities and academic institutions.

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